FILE - In this Feb. 1, 2017 file photo, University of California, Berkeley police officers guard the building where Breitbart News editor Milo Yiannopoulos was to speak in Berkeley, Calif. In a cost breakdown released Sunday, Feb. 4, 2018, the university said it spent almost $4 million on security during a one-month spate of free speech events last year, when the famously liberal campus became a flashpoint for country's political divisions. (AP Photo/Ben Margot, File)
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